<template>
    <div class="app-container">
        <!-- 顶部header区域 -->
        <!-- mint-ui的header -->
        <mt-header fixed title="海盗船" class="header-title">
              <span slot="left" @click="goBack" v-show="flag">
            <mt-button icon="back">back</mt-button>
            </span>
        </mt-header>


        <!-- 中间的 路由 <router-view></router-view> 区域 -->




        <!-- 底部Tabbar区域 -->
      <nav class="mui-bar mui-bar-tab">
			<router-link class="mui-tab-item-zjb" to="/home">
				<span class="mui-icon mui-icon-home"></span>
				<span class="mui-tab-label">首页</span>
			</router-link >
			<router-link  class="mui-tab-item-zjb" to="/member">
				<span class="mui-icon mui-icon-contact"></span>
				<span class="mui-tab-label">会员</span>
			</router-link >
			<router-link  class="mui-tab-item-zjb" to="/shopcar">
                <span class="mui-icon mui-icon-extra mui-icon-extra-cart"><span class="mui-badge" id="badge">{{$store.getters.getAllCount}}</span></span>
				<span class="mui-tab-label">购物车</span>
			</router-link >
			<router-link  class="mui-tab-item-zjb" to="/search">
				<span class="mui-icon mui-icon-search"></span>
				<span class="mui-tab-label">搜索</span>
			</router-link >
		</nav>
        <transition>
                <router-view></router-view>
        </transition>
</div>
       
</template>

<script>
export default {
    data() {
        return {
           flag: false
        }
    },
    created() {
        this.flag=this.$route.path==='/home'? false:true
    },
    methods: {
      goBack(){
          //点击后退
          this.$router.go(-1)
      }
    },
   watch: {
       "$route.path":function(newVal){
           if (newVal==="/home") {
               this.flag=false
           } else {
               this.flag=true
           }
       }
   }
}
</script>

<style lang="scss" scoped>
.mint-header{
    z-index: 99;
}
.app-container{
    padding-top:2.5rem;
    padding-bottom:3.125rem;
    overflow-x: hidden;
.header-title{
        background-image: url("https://ss1.bdstatic.com/70cFuXSh_Q1YnxGkpoWK1HF6hhy/it/u=2119545652,298642957&fm=26&gp=0.jpg");
       background-position:center center;
    }
}
 .v-enter{
     opacity: 0;
     transform: translateX(100%);
 }   
 .v-leave-to{
      opacity: 0;
     transform: translateX(-100%);
     position: absolute;
 }
 .v-enter-active,
 .v-leave-active{
     transition: all 0.5s ease;
 }

//改类名,解决tabbar点击无法切换的问题
.mui-bar-tab .mui-tab-item-zjb.mui-active {
    color: #007aff;
}
.mui-bar-tab .mui-tab-item-zjb {
    display: table-cell;
    overflow: hidden;
    width: 1%;
    height: 50px;
    text-align: center;
    vertical-align: middle;
    white-space: nowrap;
    text-overflow: ellipsis;
    color: #929292;
}
.mui-bar-tab .mui-tab-item-zjb .mui-icon {
    top: 3px;
    width: 24px;
    height: 24px;
    padding-top: 0;
    padding-bottom: 0;
}
.mui-bar-tab .mui-tab-item-zjb .mui-icon ~ .mui-tab-label {
    font-size: 11px;
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
}
</style>